1331094 has 8 divisors (see below), whose sum is σ = 2662200. Its totient is φ = 443696.

The previous prime is 1331093. The next prime is 1331107. The reversal of 1331094 is 4901331.

It is a sphenic number, since it is the product of 3 distinct primes.

1331094 is an admirable number.

It is a super-2 number, since 2×1331094² = 3543622473672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1331094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110919 + ... + 110930.

It is an arithmetic number, because the mean of its divisors is an integer number (332775).

2^1331094 is an apocalyptic number.

1331094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331094 is a wasteful number, since it uses less digits than its factorization.

1331094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221854.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1331094 is about 1153.7304711240. The cubic root of 1331094 is about 110.0025894707.

The spelling of 1331094 in words is "one million, three hundred thirty-one thousand, ninety-four".